The Pretty Little Liars will square off against a new enemy on next Tuesday's "Face Time."

Following an episode our critic dubbed as boring filler, the ABC Family smash will introduce Holbrook's partner on the subsequent new installment, as Lt. Tanner arrives in Rosewood and ratchets up the investigation into our favorite foursome.

Do they have a connection to Wilden's death? Why do corpses so often turn up around these young women?

Watch the official PLL promo for "Face Time" now - an episode that will also raise more questions about Toby's mother's death - and watch a sneak peek below:

Matt Richenthal is the Editor in Chief of TV Fanatic. Follow him on Twitter and on Google+.